1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/rt/emul/compact/src/main/java/java/io/ObjectStreamConstants.java Tue Feb 26 16:54:16 2013 +0100
1.3 @@ -0,0 +1,215 @@
1.4 +/*
1.5 + * Copyright (c) 1996, 2006, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package java.io;
1.30 +
1.31 +/**
1.32 + * Constants written into the Object Serialization Stream.
1.33 + *
1.34 + * @author unascribed
1.35 + * @since JDK 1.1
1.36 + */
1.37 +public interface ObjectStreamConstants {
1.38 +
1.39 + /**
1.40 + * Magic number that is written to the stream header.
1.41 + */
1.42 + final static short STREAM_MAGIC = (short)0xaced;
1.43 +
1.44 + /**
1.45 + * Version number that is written to the stream header.
1.46 + */
1.47 + final static short STREAM_VERSION = 5;
1.48 +
1.49 + /* Each item in the stream is preceded by a tag
1.50 + */
1.51 +
1.52 + /**
1.53 + * First tag value.
1.54 + */
1.55 + final static byte TC_BASE = 0x70;
1.56 +
1.57 + /**
1.58 + * Null object reference.
1.59 + */
1.60 + final static byte TC_NULL = (byte)0x70;
1.61 +
1.62 + /**
1.63 + * Reference to an object already written into the stream.
1.64 + */
1.65 + final static byte TC_REFERENCE = (byte)0x71;
1.66 +
1.67 + /**
1.68 + * new Class Descriptor.
1.69 + */
1.70 + final static byte TC_CLASSDESC = (byte)0x72;
1.71 +
1.72 + /**
1.73 + * new Object.
1.74 + */
1.75 + final static byte TC_OBJECT = (byte)0x73;
1.76 +
1.77 + /**
1.78 + * new String.
1.79 + */
1.80 + final static byte TC_STRING = (byte)0x74;
1.81 +
1.82 + /**
1.83 + * new Array.
1.84 + */
1.85 + final static byte TC_ARRAY = (byte)0x75;
1.86 +
1.87 + /**
1.88 + * Reference to Class.
1.89 + */
1.90 + final static byte TC_CLASS = (byte)0x76;
1.91 +
1.92 + /**
1.93 + * Block of optional data. Byte following tag indicates number
1.94 + * of bytes in this block data.
1.95 + */
1.96 + final static byte TC_BLOCKDATA = (byte)0x77;
1.97 +
1.98 + /**
1.99 + * End of optional block data blocks for an object.
1.100 + */
1.101 + final static byte TC_ENDBLOCKDATA = (byte)0x78;
1.102 +
1.103 + /**
1.104 + * Reset stream context. All handles written into stream are reset.
1.105 + */
1.106 + final static byte TC_RESET = (byte)0x79;
1.107 +
1.108 + /**
1.109 + * long Block data. The long following the tag indicates the
1.110 + * number of bytes in this block data.
1.111 + */
1.112 + final static byte TC_BLOCKDATALONG= (byte)0x7A;
1.113 +
1.114 + /**
1.115 + * Exception during write.
1.116 + */
1.117 + final static byte TC_EXCEPTION = (byte)0x7B;
1.118 +
1.119 + /**
1.120 + * Long string.
1.121 + */
1.122 + final static byte TC_LONGSTRING = (byte)0x7C;
1.123 +
1.124 + /**
1.125 + * new Proxy Class Descriptor.
1.126 + */
1.127 + final static byte TC_PROXYCLASSDESC = (byte)0x7D;
1.128 +
1.129 + /**
1.130 + * new Enum constant.
1.131 + * @since 1.5
1.132 + */
1.133 + final static byte TC_ENUM = (byte)0x7E;
1.134 +
1.135 + /**
1.136 + * Last tag value.
1.137 + */
1.138 + final static byte TC_MAX = (byte)0x7E;
1.139 +
1.140 + /**
1.141 + * First wire handle to be assigned.
1.142 + */
1.143 + final static int baseWireHandle = 0x7e0000;
1.144 +
1.145 +
1.146 + /******************************************************/
1.147 + /* Bit masks for ObjectStreamClass flag.*/
1.148 +
1.149 + /**
1.150 + * Bit mask for ObjectStreamClass flag. Indicates a Serializable class
1.151 + * defines its own writeObject method.
1.152 + */
1.153 + final static byte SC_WRITE_METHOD = 0x01;
1.154 +
1.155 + /**
1.156 + * Bit mask for ObjectStreamClass flag. Indicates Externalizable data
1.157 + * written in Block Data mode.
1.158 + * Added for PROTOCOL_VERSION_2.
1.159 + *
1.160 + * @see #PROTOCOL_VERSION_2
1.161 + * @since 1.2
1.162 + */
1.163 + final static byte SC_BLOCK_DATA = 0x08;
1.164 +
1.165 + /**
1.166 + * Bit mask for ObjectStreamClass flag. Indicates class is Serializable.
1.167 + */
1.168 + final static byte SC_SERIALIZABLE = 0x02;
1.169 +
1.170 + /**
1.171 + * Bit mask for ObjectStreamClass flag. Indicates class is Externalizable.
1.172 + */
1.173 + final static byte SC_EXTERNALIZABLE = 0x04;
1.174 +
1.175 + /**
1.176 + * Bit mask for ObjectStreamClass flag. Indicates class is an enum type.
1.177 + * @since 1.5
1.178 + */
1.179 + final static byte SC_ENUM = 0x10;
1.180 +
1.181 +
1.182 + /* *******************************************************************/
1.183 + /* Security permissions */
1.184 +
1.185 + /**
1.186 + * A Stream Protocol Version. <p>
1.187 + *
1.188 + * All externalizable data is written in JDK 1.1 external data
1.189 + * format after calling this method. This version is needed to write
1.190 + * streams containing Externalizable data that can be read by
1.191 + * pre-JDK 1.1.6 JVMs.
1.192 + *
1.193 + * @see java.io.ObjectOutputStream#useProtocolVersion(int)
1.194 + * @since 1.2
1.195 + */
1.196 + public final static int PROTOCOL_VERSION_1 = 1;
1.197 +
1.198 +
1.199 + /**
1.200 + * A Stream Protocol Version. <p>
1.201 + *
1.202 + * This protocol is written by JVM 1.2.
1.203 + *
1.204 + * Externalizable data is written in block data mode and is
1.205 + * terminated with TC_ENDBLOCKDATA. Externalizable classdescriptor
1.206 + * flags has SC_BLOCK_DATA enabled. JVM 1.1.6 and greater can
1.207 + * read this format change.
1.208 + *
1.209 + * Enables writing a nonSerializable class descriptor into the
1.210 + * stream. The serialVersionUID of a nonSerializable class is
1.211 + * set to 0L.
1.212 + *
1.213 + * @see java.io.ObjectOutputStream#useProtocolVersion(int)
1.214 + * @see #SC_BLOCK_DATA
1.215 + * @since 1.2
1.216 + */
1.217 + public final static int PROTOCOL_VERSION_2 = 2;
1.218 +}